Home / 109,408,699.20-164,113,048.80-104,369,851.20

Finding the Fourth Proportional to 109,408,699.20, 164,113,048.80 and 104,369,851.20

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Solution

The fourth proportional to 109,408,699.20, 164,113,048.80 and 104,369,851.20 is: 156,554,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,408,699.20 : 164,113,048.80 = 104,369,851.20 : x
  2. Step 2: Convert to fraction form
    109,408,699.20/164,113,048.80 = 104,369,851.20/x
  3. Step 3: Cross multiply
    109,408,699.20x = 164,113,048.80 × 104,369,851.20
  4. Step 4: Simplify right side
    109,408,699.20x = 17,128,454,483,234,340
  5. Step 5: Solve for x
    x = 17,128,454,483,234,340/109,408,699.20
  6. Step 6: Final answer
    x = 156,554,776.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.